Kepler (1571-1630) was one of the most influential figures of the so-called scientific revolution of the 17th century because of his contributions to astronomy. As a result of his indefatigable desire to study the stars, he collaborated with important intellectuals and worked for some of the most outstanding personalities of the time. Explore the biography of Johannes Kepler and learn the story of a scientist whose legacy remains as relevant as ever.

Summary of Johannes Kepler’s life

The index

  • Religion and science

  • Recognition of astronomy

  • Laws of Johannes Kepler

  • Problems in the family

Religion and science

Kepler was born on December 27, 1571, just outside Stuttgart, Germany. Heinrich Kepler was the fourth child of a local medicine woman and a descendent of royalty. His family was experiencing financial difficulties at the time of his birth, which were only exacerbated by Heinrich’s departure. As a result, the little boy worked at the inn his grandfather kept, impressing travelers with his math skills.

Human minds can comprehend the laws of physics and nature. We were created in God’s image and likeness so we could understand them. A confrontation between religion and science is meaningless since we were created to share their ideas. Johann Kepler.

Johannes Kepler was admitted to the University of Tübingen due to his outstanding school performance. While studying philosophy and theology in this institution, he also attended astronomy and astrology classes in other faculties. When Kepler was a student, he combined his scientific knowledge with his religious beliefs to come up with a single theory. Later, he planned to become a priest, but in 1594 he accepted a position as a professor of mathematics at the University of Graz.

Recognition of astronomy

Johannes Kepler began work on Mysterium cosmographicum shortly after arriving in Graz, an Austrian city experiencing a scientific boom at the time. Nicolaus Copernicus’ theory regarding planetary motion was the basis for this work published in 1596. The infallible mathematics and excellent reasoning of Kepler helped establish his reputation, even though he would later admit that some of the approaches he proposes in this essay are incorrect. Intellectual circles in Europe.

In the year 1600, Johannes Kepler, who became popular as a scientist, met Tycho Brahe. In the court of Rudolf II, the highest monarch of the Holy Roman Empire, Brahe was the main mathematician. Kepler was granted access to the intellectual’s astrological records after he was impressed with his research. Despite Tycho’s death, the information gathered through these writings would play an important role in Kepler’s future work.

In the wake of Tycho Brahe’s death, Johannes Kepler was appointed to lead the Empire’s scientific division. Kepler and his family moved to Prague near the royal palace after he married Barbara Müller in Graz. After achieving economic stability, he began studying astronomy based on Ptolemy and Copernicus’ writings. A work entitled Astronomia nova published his conclusions in 1609.

Laws of Johannes Kepler

After exploring concepts developed in past works, Johannes Kepler was able to explain the essence of planet movement through Astronomia nova . Kepler’s theory was not immediately recognized, but three maxims, known as Kepler’s laws, were universally accepted by posterity. A letter was written to the German astronomer in 1610 by Galileo Galilei concerning the essay.


Johannes Kepler demonstrated his creative abilities by writing Sonium in 1610. As one of the first science fiction stories, it tells the story of an Irishman who travels to the moon through a spell.

Rudolf II abdicated the throne in 1611 due to health complications. Kepler’s research budget was reduced by the new emperor because he was less interested in astronomy. After a year, Kepler moved to Linz due to a lack of royal support. Soon after settling in his new location, Barbara, his wife, passed away. In 1613, he married Susanna Reuttinger.

Problems in the family

Johann Kepler began writing a textbook that focused entirely on astronomy in 1615. Several months later, he completed the first volume of Epitome astronomiae Copernicanae, his most important work. As a personal matter, Kepler learned that his mother had been accused of witchcraft. He contacted his college lawyer contacts to deal with the situation.

Her son’s tireless efforts led to her release from prison for lack of evidence in 1621, despite Johannes Kepler’s mother being imprisoned in 1620. Only a year later, Katharina died in Linz, leaving the astronomer in deep sorrow. . Kepler turned to creating the Rudolphine Tables, a catalog of astronomical information based on Tycho Brahe’s research.

Johannes Kepler’s printing of Rudolphine Tables was difficult due to the religious tensions brought about by the Thirty Years’ War. In the midst of the conflict, he and his family fled Linz for Ulm. Taking a job as an advisor to General Albrecht von Wallenstein, he finally decided to use his own money to publish his work in 1627. The following year, on November 15, 1630, he died in Regensburg from an acute fever.

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